Bussmann 170M6612 Class aR High-Speed Square Body Fuse, 800A, 690V
The Bussmann 170M6612 is an Eaton Bussmann series high-speed square body fuse rated 800A at 690V AC, purpose-built for semiconductor protection applications. Featuring a Class aR utilization category (accompanied semiconductor protection) and a 200 kAIC interrupting rating, this fuse uses a square body design with center bolted tags and blade end X blade end connections for reliable high-speed clearing in demanding power electronics circuits. It is UL Recognized and CE Marked for use in professional industrial and commercial installations.
Key Features
- Amperage Rating: 800A for high-capacity semiconductor circuit protection.
- Voltage Rating: 690V AC for use in high-voltage industrial power circuits.
- Interrupting Rating: 200 kAIC high interrupting capacity for demanding fault-current environments.
- Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection schemes.
- Fuse Shape: Square body construction with center bolted tags and blade end X blade end connections.
- Clearing I2t: 465000 at 660V; Pre-Arc I2t: 69500 for precise fault-clearing performance.
- Watt Losses: 115W rated power dissipation.
- Dimensions: 170mm length x 96mm width x 76mm height, 1192g weight.
Certifications & Compliance
- UL Recognized
- CE Marked
Technical Specifications
- Amperage Rating: 800 A
- Application: semiconductor protection
- Certifications: UL Recognized
- Clearing I2t: 465000 at 660 V
- Compliances: CE Marked
- Fuse Shape: Square body, center bolted tags
- Insulated Metal Gripping Lugs (Imgl): No
- Packaging Type: Standard
- Pre Arc I2t: 69500
- Product Height: 76 mm
- Product Length Depth: 170 mm
- Product Weight: 1192 g
- Product Width: 96 mm
- Utilization Category: aR (accompanied semiconductor protection)
- Voltage Rating: 690 V
- Voltage Type: AC
- Watt Losses: 115 W
Typical Applications
- Semiconductor Protection Circuits
- High-Speed Power Electronics Protection
- Industrial Motor Drives and Rectifier Circuits
- Panelboard and Switchgear Protection
- Renovation and New Construction Electrical Upgrades
Why Bussmann?
Bussmann engineers the 170M6612 with a rugged square body construction, center bolted tags, and a 200 kAIC interrupting rating to deliver dependable, code-compliant protection for semiconductor and power electronics circuits. Backed by UL Recognition and CE Marking, this Class aR high-speed fuse is built for reliable performance in demanding professional electrical installations.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 800 A
- Application:
- semiconductor protection
- Certifications:
- UL Recognized
- Class:
- Class aR
- Clearing I2t:
- 465000 at 660 V
- Compliances:
- CE Marked
- Connection:
- Blade end x blade end
- Fuse Shape:
- Square body, center bolted tags
- Insulated Metal Gripping Lugs Imgl:
- No
- Interrupt Rating:
- 200 kAIC
- Packaging Type:
- Standard
- Pre Arc I2t:
- 69500
- Product Height:
- 76 mm
- Product Length Depth:
- 170 mm
- Product Weight:
- 1192 g
- Product Width:
- 96 mm
- Utilization Category:
- aR (accompanied semiconductor protection)
- Voltage Rating:
- 690 V
- Voltage Type:
- AC
- Watt Losses:
- 115 W
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse